Living With Changing Colors

Indian Stick Insect, Carausius morosus

The Indian stick insect, Carausius morosus, has the ability to change its color. When placed in the dark, its coloration darkens. In light, the process reverses. The color change occurs in less than one hour. How do they change color?

The epidermal cells contain pigment granules of a red-violet color that are attached to thick microtubules (a part of the cell cytoskeleton). The microtubules extend vertically from the basal side of the cell to the apical…

Source: Living With Insects Blog

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